|
Problem IT24830
|
Status: Closed |
STEPPING TQS MAY EXPERIENCE A HANG IN SITUATIONS WHEN WE ARE TRYING TO STOP TQ DRAINING AS A PERFORMANCE OPTIMIZATION.
|
| product: |
DB2 FOR LUW / DB2FORLUW / A50 - DB2 |
| Problem description: |
Stepping TQs may experience a hang in situations when we are
trying to stop TQ draining as a performance optimization.
This may result in a application/agent hang issue on this SQL
statement.
The stacks for this applciation may look similar to the
following:
thread_wait
sqloWaitEDUWaitPost
WaitRecvReady
ReceiveBuffer
sqlkq_process_ctl_msg
sqlktins
sqlritqb
sqlriSectInvoke
sqlrr_smp_router
And
thread_wait
sqloWaitEDUWaitPost
WaitRecvReady
ReceiveBuffer
getNextBuffer
sqlkd_rcv_buffer
sqlkd_rcv_get_next_buffer
sqlkd_rcv_init
sqlkdReceiveReply
sqleReceiveAndMergeReplies
sqlrigca
sqlrices |
| Problem Summary: |
****************************************************************
* USERS AFFECTED: *
* All Platforms. *
****************************************************************
* PROBLEM DESCRIPTION: *
* See Error Description *
****************************************************************
* RECOMMENDATION: *
* Upgrade to Db2 v10.5 Fixpack 10 or later. *
**************************************************************** |
| Local Fix: |
db2set DB2_RUNTIME_DEBUG_FLAGS=40000000 |
| Solution |
|
| Workaround |
not known / see Local fix |
| BUG-Tracking |
forerunner : IT24811
follow-up : |
| Timestamps |
Date - problem reported :
Date - problem closed :
Date - last modified :
| 24.04.2018
16.07.2018
16.07.2018 |
| Problem solved at the following versions (IBM BugInfos) |
|
| Problem solved according to the fixlist(s) of the following version(s) |
